Vtech i6785Brand NewIncludes One Year WarrantyThe Vtech i6785 5.8GHz digital, 4-handset, cordless shone system uses digital spread spectrum (DSS) technology for heightened clarity and security features. You can transfer calls between handsets and/or use them as an in home intercom system.The full color LCD handsets are headset compatible and require only 1 phone line for operation.